What factor is fundamentally tied to the ability to see the Milky Way structure?

Answer

Contrast

The experience of seeing the Milky Way is fundamentally tied to contrast. When this contrast diminishes because the baseline brightness of the night sky rises, the faint galactic light falls below the threshold of human visibility.

What factor is fundamentally tied to the ability to see the Milky Way structure?

#Videos

You will NEVER see The Milky Way again - YouTube

The Big Milky Way Problem (80% Will Never See This) - YouTube

galaxyastronomyobservationVisibilityLight pollution